Tire sidewall



FIG. 1 is a side elevational view of a tire sidewall showing my new design;

FIG. 2 is an enlarged partial view thereof;

FIG. 3 is an enlarged partial view thereof;

FIG. 4 is an enlarged partial view thereof; and,

FIG. 5 is an enlarged partial view thereof.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a tire sidewall, as shown and described. 